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发明名称
Appareil à tracer des hachures
摘要
申请公布号
FR945193(A)
申请公布日期
1949.04.27
申请号
FRD945193
申请日期
1947.04.15
申请人
发明人
BAER GEORGES
分类号
B43L13/02;B43L13/24
主分类号
B43L13/02
代理机构
代理人
主权项
地址
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